Izinto ezisetyenziselwa i-lens zinefuthe elincinci kumandla okulungisa e-lens, kodwa ingaba nefuthe elikhulu kwiindlela zokuphila. Funda malunga neendlela ezahlukeneyo zokukhetha i-lens uze wenze ukhetho olungcono kwiindidi zakho ezilandelayo.
I-Hi-Index Lens
I-lens-index lenzi zenziwe ngezinto ezikhethekileyo zeplastiki ezibonisa ukukhanya ngendlela eyahlukileyo kunama-plastiki rhoqo.
Ngama-lens ye-hi-lens, umboniso ungalungiswa ngezinto ezingaphantsi, ukwenza i- lens ibe yincinci. Iiplastiki zifakwe kwinani, njenge-1.50 okanye 1.67. Ephakamileyo inamba, unobuncitshisi i-lens. Ngenxa yokuba bancinci, i-lens-lens i-lens nayo ilula, eyenza bakhululeke ukugqoka. Oku kubalulekile kwizigulane ezinemigangatho ephezulu, njengoko iiglasi zazo zingenziwa zikhangeleke kwaye zikhangele. I-index-lens i-lens materials ihlala ixabisa ngaphezu kweelensi zeplastiki eziqhelekileyo.
Lens Polycarbonate
Iilensi zePolycarbonate zenziwe ngolu hlobo lweplastiki olunefuthe elingapheliyo kunezenzi zeeplastiki eziqhelekileyo. Iilensi zePolycarbonate zincinci kwaye zincipha. Zijongwa njengeplastiki yephezulu. Iilensi zePolycarbonate nazo zakhele ukukhuselwa kwe-ultraviolet. Ngenxa yale mihlaba, yinto ekhethiweyo yamalensi kwiilensi zezingane, iilensi zezemidlalo kunye neelensi zokhuseleko.
Nangona kunjalo, abanye abantu bayakhalaza ukuba i-polycarbonate lens ihluleka ukubanika umbono ococekileyo, ocacileyo.
Trivex Lenses
I-Trivex yinto ephathekayo entsha efana ne-polycarbonate lenses kodwa iphezulu ye-optics, kwaye ke ibonelela ngokucacileyo. I-Trivex isisindo sokukhanya kunokuba isisetyenziswe kwiplastiki kodwa isigxina njenge polycarbonate.
I-Trivex yinto engqongqo ngakumbi, okwenza kube lula ukukhethwa kweefowuni ezingenanto okanye zokugada. I-Trivex inokuthi inganyangeki njenge-polycarbonate kwaye inokumiselwa ukuba i-lenses yabantwana, iilensi zezemidlalo kunye ne-lens zokuphepha.
I-Aspheric Lenses
Uyilo lwe-lens aspheric lunikeza amanqaku amaninzi kwiilensi zamaglasi. I-lensi ye-aspheric ineekharya ezijikelezayo zepherivur Oku kunciphisa inani lemali lens likhupha ngaphandle kwesikrini seglasi, ukunciphisa ukuphakanyiswa kwamehlo, okuphucula ukubonakala kwezonyango. Iindleko zepheripheripal pipipiphinde zinciphisa iziphazamiso ezenzekayo xa zijonge kude kwinqanaba le-lens, okwenza umbono ubonakale. Iilensi ze-Aspheric nazo zininzi kakhulu kunzima kunama-lens standard.
Izambatho ezichasayo
Ukugubungela okuchasayo kuyasetyenziswa kuma-lens eyeglass ukwenzela ukunciphisa inani lokubonakalisa kwangaphakathi nangaphandle kwilensi. Oku kwandisa inani lokukhanya elidluliselwa ngetensi, ephucula umgangatho wombono. Iingubo ezingabonakaliyo zinciphisa ukukhanya okungafunekiyo kunye ne-halos ebusuku. Kwakhona kubangela ukuba ii-lens zivele zibonakala zingabonakali kwaye zincinci. Nangona wonk 'ubani angenelwa ngengubo echasayo, inceda kakhulu abantu abaneemigangatho ephezulu, abantu abaye bancipha embonweni ebusuku, kunye nemisebenzi apho kubonakala kubonakala khona ukubonakala.
Iingubo ezinqabileyo
Izambatho ezinqandekiyo zifakwe kwi-front and back of lenses kwinkqubo yokuvelisa. Nangona kubalulekile ukuba uqaphele ukuba akukho lens i-scratch-proof, le ingubo ekhethekileyo yenza ukuba iilensi zikhuni xa zichithwa okanye zihluthwe ngokubhekisele kummandla onzima. Ngelixa ezininzi iilensi zenziwe ngeengubo ezingagwinyiweyo, ngamanye amaxesha iingubo ezingagxininisi zithuba zibonisa uhlobo "lokufumana iwaranti." Ezi mqinisekiso ziqinisekisa ngokuchasana, ukuqinisekisa ukuba iilensi ziya kugqitywa xa kuqalwa. Qinisekisa ukucacisa nayiphi na iwaranti yolu hlobo.
Izonyango ze-Ultraviolet
Ukunyangwa kwe-ultraviolet kusetyenziswa kwiilensi ukukhusela kumonakalo owenzela i-UV emisebe engakhowuleza ukuphuhliswa kwe- cataracts kunye nokuhlaselwa kwe-macular .
Kubaluleke kakhulu ukukhusela amehlo kwiempembelelo zelanga. Ukwelashwa kwe-UV kulula ukuyisebenzisa kwiilensi kwaye kufuthi kubandakanywa nokuthengwa kweeklasi.
IiLense eziPolisa
Iilensi eziphambili zivame ukusetyenziswa ukwenza izibuko zelanga. Zifumaneka ngokuqhelekileyo kwi-gray or brown tint kodwa eminye imibala ikhona. Iilensi ezigqithisileyo zinciphisa ukukhanya okugqithiseleyo kunye nezibonakaliso ngokuthintela ukukhanya okubonakalayo okubonakalayo. Iilensi ezisetyenzisiweyo zisetyenziswe ngabalobi beemveliso iminyaka engcono ekujonganeni kangcono kunye nokukhanya okukhazimulayo kubonakaliswa kwamanzi kunye nokubona ngaphakathi emanzini.
IiLens Photochromatic
Iilensi ze-photochromatic zineengubo ezikhethekileyo zengubo ezenza ukuba zitshintshele kwi-dark tint elangeni kwaye ziguqule ngaphakathi. Iilensi ze-photochromatic zilungele abantu abangathandanga ukuthwala iindidi zezilwanyana eziqhelekileyo . Kubalulekile ukuqaphela ukuba ezi iilensi aziyikuba mnyama ngelixa ziqhuba imoto. I-windshield ivimbela ubuninzi be-UV ukukhanya ukufikelela kwilensi.
ILizwi
Ukuba awuzange ube ugqirha weliso ngexesha elithile, unokumangaliswa kwinani lezinketho ezikhoyo ukuze wenze iilensi zamaglasi akho zisebenze kakuhle kuwe. Iimfuno zakho zobuqu ziza kukunceda ukuba izixhobo zentsimbi kunye nezembatho ziza kukunceda njani indlela ophila kuyo.